This service repair workshop manual covers the Toyota Forklift 6BNCU series, encompassing models 6BNCU15, 6BNCU17, 6BNCU18, 6BNCU19, 6BNCU20, and 6BNCU23. Engineered for industrial applications, these forklifts are designed for reliability and efficient material handling. The 6BNCU series features an internal combustion engine, likely LPG/Gasoline or Diesel, paired with an automatic transmission. While specific performance figures and dimensions like lift capacity, mast type, and fork length vary by individual model and application, the core engineering emphasizes robust construction for demanding operational environments. This comprehensive manual provides essential information for maintaining and repairing your Toyota Forklift. It details all repairs, servicing, and troubleshooting procedures, including step-by-step instructions, detailed photos, diagrams, and exploded views. Key areas covered include engine specifications, transmission operation, lubrication requirements, filter replacement, brake system maintenance, and electrical system diagnostics with wiring diagrams. Adherence to the maintenance schedules and procedures outlined within this manual is crucial for ensuring the longevity, safety, and optimal performance of your forklift.